tertial
a. 第三列的(指鸟飞羽中最后一列的)
发音
US
/ˈtɝʃl̩/
UK
/ˈtɜːʃl̩/
词形变化
tertials
复数
tertials
释义与例句
n.
-
1.
Any flight feather attached to the humerus (upper arm) of a bird.
生物 动物学
词源
From Latin tertius (“third”); the tertial feathers are the third row of feathers. By surface analysis, terti- + -al.
来源:wiktionary